2.4.1.9 Html 60 160 1 false 30 0 false 4 false false R1.htm 000 - Document - Document And Entity Information Sheet http://iphase.com/20150331/role/statement-document-and-entity-information Document And Entity Information true false R2.htm 001 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Sheet http://iphase.com/20150331/role/statement-condensed-consolidated-balance-sheets-unaudited Condensed Consolidated Balance Sheets (Unaudited) false false R3.htm 002 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) Sheet http://iphase.com/20150331/role/statement-condensed-consolidated-balance-sheets-unaudited-parentheticals Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) false false R4.htm 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited) Sheet http://iphase.com/20150331/role/statement-condensed-consolidated-statements-of-operations-unaudited Condensed Consolidated Statements of Operations (Unaudited) false false R5.htm 004 - Statement - Condensed Consolidated Statements of Comprehensive (Loss) (Unaudited) Sheet http://iphase.com/20150331/role/statement-condensed-consolidated-statements-of-comprehensive-loss-unaudited Condensed Consolidated Statements of Comprehensive (Loss) (Unaudited) false false R6.htm 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Sheet http://iphase.com/20150331/role/statement-condensed-consolidated-statements-of-cash-flows-unaudited Condensed Consolidated Statements of Cash Flows (Unaudited) false false R7.htm 006 - Disclosure - Note 1 - Basis of Presentation Sheet http://iphase.com/20150331/role/statement-note-1-basis-of-presentation Note 1 - Basis of Presentation false false R8.htm 007 - Disclosure - Note 2 - Stock-based Compensation Sheet http://iphase.com/20150331/role/statement-note-2-stockbased-compensation Note 2 - Stock-based Compensation false false R9.htm 008 - Disclosure - Note 3 - Marketable Securities Sheet http://iphase.com/20150331/role/statement-note-3-marketable-securities Note 3 - Marketable Securities false false R10.htm 009 - Disclosure - Note 4 - Inventories Sheet http://iphase.com/20150331/role/statement-note-4-inventories Note 4 - Inventories false false R11.htm 010 - Disclosure - Note 5 - Income Taxes Sheet http://iphase.com/20150331/role/statement-note-5-income-taxes Note 5 - Income Taxes false false R12.htm 011 - Disclosure - Note 6 - Credit Facility Sheet http://iphase.com/20150331/role/statement-note-6-credit-facility Note 6 - Credit Facility false false R13.htm 012 - Disclosure - Note 7 - Earnings Per Share Sheet http://iphase.com/20150331/role/statement-note-7-earnings-per-share Note 7 - Earnings Per Share false false R14.htm 013 - Disclosure - Note 8 - Segment Information Sheet http://iphase.com/20150331/role/statement-note-8-segment-information Note 8 - Segment Information false false R15.htm 014 - Document - Note 9 - Recently Issued Accounting Pronouncements Sheet http://iphase.com/20150331/role/statement-note-9-recently-issued-accounting-pronouncements Note 9 - Recently Issued Accounting Pronouncements false false R16.htm 015 - Disclosure - Note 10 - Subsequent Events Sheet http://iphase.com/20150331/role/statement-note-10-subsequent-events Note 10 - Subsequent Events false false R17.htm 016 - Disclosure - Note 2 - Stock-based Compensation (Tables) Sheet http://iphase.com/20150331/role/statement-note-2-stockbased-compensation-tables Note 2 - Stock-based Compensation (Tables) false false R18.htm 017 - Disclosure - Note 3 - Marketable Securities (Tables) Sheet http://iphase.com/20150331/role/statement-note-3-marketable-securities-tables Note 3 - Marketable Securities (Tables) false false R19.htm 018 - Disclosure - Note 4 - Inventories (Tables) Sheet http://iphase.com/20150331/role/statement-note-4-inventories-tables Note 4 - Inventories (Tables) false false R20.htm 019 - Disclosure - Note 7 - Earnings Per Share (Tables) Sheet http://iphase.com/20150331/role/statement-note-7-earnings-per-share-tables Note 7 - Earnings Per Share (Tables) false false R21.htm 020 - Disclosure - Note 8 - Segment Information (Tables) Sheet http://iphase.com/20150331/role/statement-note-8-segment-information-tables Note 8 - Segment Information (Tables) false false R22.htm 021 - Disclosure - Note 1 - Basis of Presentation (Details Textual) Sheet http://iphase.com/20150331/role/statement-note-1-basis-of-presentation-details-textual Note 1 - Basis of Presentation (Details Textual) false false R23.htm 022 - Disclosure - Note 2 - Stock-based Compensation (Details Textual) Sheet http://iphase.com/20150331/role/statement-note-2-stockbased-compensation-details-textual Note 2 - Stock-based Compensation (Details Textual) false false R24.htm 023 - Statement - Note 2 - Stock-based Compensation - Summary of Combined Stock Option Activity (Details) Sheet http://iphase.com/20150331/role/statement-note-2-stockbased-compensation-summary-of-combined-stock-option-activity-details Note 2 - Stock-based Compensation - Summary of Combined Stock Option Activity (Details) false false R25.htm 024 - Statement - Note 2 - Stock-based Compensation - Nonvested Restricted Stock Units Activity (Details) Sheet http://iphase.com/20150331/role/statement-note-2-stockbased-compensation-nonvested-restricted-stock-units-activity-details Note 2 - Stock-based Compensation - Nonvested Restricted Stock Units Activity (Details) false false R26.htm 025 - Statement - Note 3 - Marketable Securities - Fair Value, Financial Assets Measured by Level within the Fair Value Hierarchy (Details) Sheet http://iphase.com/20150331/role/statement-note-3-marketable-securities-fair-value-financial-assets-measured-by-level-within-the-fair-value-hierarchy-details Note 3 - Marketable Securities - Fair Value, Financial Assets Measured by Level within the Fair Value Hierarchy (Details) false false R27.htm 026 - Disclosure - Note 4 - Inventories (Details Textual) Sheet http://iphase.com/20150331/role/statement-note-4-inventories-details-textual Note 4 - Inventories (Details Textual) false false R28.htm 027 - Statement - Note 4 - Inventories - Inventory (Details) Sheet http://iphase.com/20150331/role/statement-note-4-inventories-inventory-details Note 4 - Inventories - Inventory (Details) false false R29.htm 028 - Disclosure - Note 6 - Credit Facility (Details Textual) Sheet http://iphase.com/20150331/role/statement-note-6-credit-facility-details-textual Note 6 - Credit Facility (Details Textual) false false R30.htm 029 - Statement - Note 7 - Earnings Per Share - Earnings Per Share (Details) Sheet http://iphase.com/20150331/role/statement-note-7-earnings-per-share-earnings-per-share-details Note 7 - Earnings Per Share - Earnings Per Share (Details) false false R31.htm 030 - Statement - Note 8 - Segment Information - Geographic Revenue Related to North America and Foreign Regions (Details) Sheet http://iphase.com/20150331/role/statement-note-8-segment-information-geographic-revenue-related-to-north-america-and-foreign-regions-details Note 8 - Segment Information - Geographic Revenue Related to North America and Foreign Regions (Details) false false R32.htm 031 - Statement - Note 8 - Segment Information - Revenue by Product Line (Details) Sheet http://iphase.com/20150331/role/statement-note-8-segment-information-revenue-by-product-line-details Note 8 - Segment Information - Revenue by Product Line (Details) false false R33.htm 032 - Disclosure - Note 10 - Subsequent Events (Details Textual) Sheet http://iphase.com/20150331/role/statement-note-10-subsequent-events-details-textual Note 10 - Subsequent Events (Details Textual) false false All Reports Book All Reports Process Flow-Through: 001 - Statement - Condensed Consolidated Balance Sheets (Unaudited) Process Flow-Through: Removing column 'Mar. 31, 2014' Process Flow-Through: Removing column 'Dec. 31, 2013' Process Flow-Through: 002 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) Process Flow-Through: 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited) Process Flow-Through: 004 - Statement - Condensed Consolidated Statements of Comprehensive (Loss) (Unaudited) Process Flow-Through: 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) Process Flow-Through: 023 - Statement - Note 2 - Stock-based Compensation - Summary of Combined Stock Option Activity (Details) Process Flow-Through: 024 - Statement - Note 2 - Stock-based Compensation - Nonvested Restricted Stock Units Activity (Details) Process Flow-Through: Removing column '3 Months Ended Mar. 31, 2014' Process Flow-Through: 025 - Statement - Note 3 - Marketable Securities - Fair Value, Financial Assets Measured by Level within the Fair Value Hierarchy (Details) Process Flow-Through: 027 - Statement - Note 4 - Inventories - Inventory (Details) Process Flow-Through: 029 - Statement - Note 7 - Earnings Per Share - Earnings Per Share (Details) Process Flow-Through: 030 - Statement - Note 8 - Segment Information - Geographic Revenue Related to North America and Foreign Regions (Details) Process Flow-Through: 031 - Statement - Note 8 - Segment Information - Revenue by Product Line (Details) inph-20150331.xml inph-20150331.xsd inph-20150331_cal.xml inph-20150331_def.xml inph-20150331_lab.xml inph-20150331_pre.xml true true